1/*
 2 * Generic Platform Camera Driver Header
 3 *
 4 * Copyright (C) 2008 Magnus Damm
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License version 2 as
 8 * published by the Free Software Foundation.
 9 */
10
11#ifndef __SOC_CAMERA_H__
12#define __SOC_CAMERA_H__
13
14#include <linux/videodev2.h>
15#include <media/soc_camera.h>
16
17struct device;
18
19struct soc_camera_platform_info {
20	const char *format_name;
21	unsigned long format_depth;
22	struct v4l2_mbus_framefmt format;
23	unsigned long bus_param;
24	struct soc_camera_device *icd;
25	int (*set_capture)(struct soc_camera_platform_info *info, int enable);
26};
27
28static inline void soc_camera_platform_release(struct platform_device **pdev)
29{
30	*pdev = NULL;
31}
32
33static inline int soc_camera_platform_add(struct soc_camera_device *icd,
34					  struct platform_device **pdev,
35					  struct soc_camera_link *plink,
36					  void (*release)(struct device *dev),
37					  int id)
38{
39	struct soc_camera_platform_info *info = plink->priv;
40	int ret;
41
42	if (icd->link != plink)
43		return -ENODEV;
44
45	if (*pdev)
46		return -EBUSY;
47
48	*pdev = platform_device_alloc("soc_camera_platform", id);
49	if (!*pdev)
50		return -ENOMEM;
51
52	info->icd = icd;
53
54	(*pdev)->dev.platform_data = info;
55	(*pdev)->dev.release = release;
56
57	ret = platform_device_add(*pdev);
58	if (ret < 0) {
59		platform_device_put(*pdev);
60		*pdev = NULL;
61		info->icd = NULL;
62	}
63
64	return ret;
65}
66
67static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
68					   struct platform_device *pdev,
69					   const struct soc_camera_link *plink)
70{
71	if (icd->link != plink || !pdev)
72		return;
73
74	platform_device_unregister(pdev);
75}
76
77#endif /* __SOC_CAMERA_H__ */